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| author | Denys Vlasenko | 2010-06-02 14:14:48 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-06-02 14:14:48 +0200 |
| commit | 26b6ccf340243ec3acd594c6928b18e95d3deea9 (patch) | |
| tree | 90955d90056adbd8724db164f7cbb3e56833ed8b /include/unarchive.h | |
| parent | abb154ba02f9a9a98465cb1f816f974cca536392 (diff) | |
| download | busybox-26b6ccf340243ec3acd594c6928b18e95d3deea9.zip busybox-26b6ccf340243ec3acd594c6928b18e95d3deea9.tar.gz | |
*: simplify checks for gz/bz2/xz magic
function old new delta
send_tree 360 355 -5
rpm2cpio_main 249 220 -29
setup_unzip_on_fd 150 118 -32
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(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-66) Total: -66 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include/unarchive.h')
| -rw-r--r-- | include/unarchive.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/unarchive.h b/include/unarchive.h index aa7ecec..8009de2 100644 --- a/include/unarchive.h +++ b/include/unarchive.h @@ -4,6 +4,22 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN +enum { +#if BB_BIG_ENDIAN + COMPRESS_MAGIC = 0x1f9d, + GZIP_MAGIC = 0x1f8b, + BZIP2_MAGIC = ('B'<<8) + 'Z', + XZ_MAGIC1 = (0xfd<<8) + '7', + XZ_MAGIC2 = ((((('z'<<8) + 'X')<<8) + 'Z')<<8) + 0, +#else + COMPRESS_MAGIC = 0x9d1f, + GZIP_MAGIC = 0x8b1f, + BZIP2_MAGIC = ('Z'<<8) + 'B', + XZ_MAGIC1 = ('7'<<8) + 0xfd, + XZ_MAGIC2 = (((((0<<8) + 'Z')<<8) + 'X')<<8) + 'z', +#endif +}; + typedef struct file_header_t { char *name; char *link_target; |